src/bin/lttng-sessiond/event-notifier-error-accounting.h

   1 /*
   2  * Copyright (C) 2020 Francis Deslauriers <francis.deslauriers@efficios.com>
   3  *
   4  * SPDX-License-Identifier: GPL-2.0-only
   5  *
   6  */
   7
   8 #ifndef _EVENT_NOTIFIER_ERROR_ACCOUNTING_H
   9 #define _EVENT_NOTIFIER_ERROR_ACCOUNTING_H
  10
  11 #include <stdint.h>
  12
  13 #include <lttng/trigger/trigger.h>
  14
  15 #include "ust-app.h"
  16
  17 enum event_notifier_error_accounting_status {
  18         EVENT_NOTIFIER_ERROR_ACCOUNTING_STATUS_OK,
  19         EVENT_NOTIFIER_ERROR_ACCOUNTING_STATUS_ERR,
  20         EVENT_NOTIFIER_ERROR_ACCOUNTING_STATUS_NOT_FOUND,
  21         EVENT_NOTIFIER_ERROR_ACCOUNTING_STATUS_NOMEM,
  22         EVENT_NOTIFIER_ERROR_ACCOUNTING_STATUS_NO_INDEX_AVAILABLE,
  23         EVENT_NOTIFIER_ERROR_ACCOUNTING_STATUS_APP_DEAD,
  24 };
  25
  26 enum event_notifier_error_accounting_status
  27 event_notifier_error_accounting_init(uint64_t nb_bucket);
  28
  29 enum event_notifier_error_accounting_status
  30 event_notifier_error_accounting_register_kernel(
  31                 int kernel_event_notifier_group_fd);
  32
  33 #ifdef HAVE_LIBLTTNG_UST_CTL
  34 enum event_notifier_error_accounting_status
  35 event_notifier_error_accounting_register_app(struct ust_app *app);
  36
  37 enum event_notifier_error_accounting_status
  38 event_notifier_error_accounting_unregister_app(struct ust_app *app);
  39 #else /* HAVE_LIBLTTNG_UST_CTL */
  40 static inline
  41 enum event_notifier_error_accounting_status
  42 event_notifier_error_accounting_register_app(struct ust_app *app)
  43 {
  44         return EVENT_NOTIFIER_ERROR_ACCOUNTING_STATUS_OK;
  45 }
  46
  47 static inline
  48 enum event_notifier_error_accounting_status
  49 event_notifier_error_accounting_unregister_app(struct ust_app *app)
  50 {
  51         return EVENT_NOTIFIER_ERROR_ACCOUNTING_STATUS_OK;
  52 }
  53 #endif /* HAVE_LIBLTTNG_UST_CTL */
  54
  55 enum event_notifier_error_accounting_status
  56 event_notifier_error_accounting_register_event_notifier(
  57                 const struct lttng_trigger *trigger,
  58                 uint64_t *error_counter_index);
  59
  60 enum event_notifier_error_accounting_status
  61 event_notifier_error_accounting_get_count(
  62                 const struct lttng_trigger *trigger,
  63                 uint64_t *count);
  64
  65 void event_notifier_error_accounting_unregister_event_notifier(
  66                 const struct lttng_trigger *trigger);
  67
  68 void event_notifier_error_accounting_fini(void);
  69
  70 #endif /* _EVENT_NOTIFIER_ERROR_ACCOUNTING_H */